CN105178925B - Inject well operations oil jacket shunting balance jet-preventing tool - Google Patents
Inject well operations oil jacket shunting balance jet-preventing tool Download PDFInfo
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- CN105178925B CN105178925B CN201510550051.6A CN201510550051A CN105178925B CN 105178925 B CN105178925 B CN 105178925B CN 201510550051 A CN201510550051 A CN 201510550051A CN 105178925 B CN105178925 B CN 105178925B
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- Prior art keywords
- oil jacket
- sleeve
- adapter sleeve
- current divider
- bruising
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Abstract
The present invention relates to oilfield, specifically a kind of injection well operations oil jacket shunting balance jet-preventing tool.The jet-preventing tool includes oil jacket current divider and diverting means bruising is stifled, and oil jacket current divider includes top connection, outer adapter sleeve, the first Clip Reed, slip diversion sleeve, fixing pin and lower contact；Diverting means bruising blocking package includes sealing shroud, the second Clip Reed, upper ball base, steel ball, lower ball base, diversion sleeve, adapter sleeve and nose cone composition.The jet-preventing tool that the present invention is provided, makes oil jacket current divider slip diversion sleeve descending before operation by suppressing, and the fluid course in conducting oil pipe with oil jacket annular space is realized and balances shunting；By improving pressure; diverting means bruising is set to block up lower ball base descending; lose two-way function; liquid can enter oil jacket annular space by instrument in tubing string more than spheroid; and the liquid below spheroid cannot be introduced into oil pipe more than spheroid; at utmost influence during reduction injection well normal pressure job execution to surrounding environment, meets the requirement of new environment Protection Code.
Description
Technical field
The present invention relates to oilfield, specifically a kind of injection well operations oil jacket shunting balance jet-preventing tool.
Background technology
Current oil field injection well operations mainly have two kinds of Operating Pressure and normal pressure operation, are although realized using Operating Pressure
Not outer row's operation, but there are problems that construction cost it is high, average 9 days or so the individual well used time, it is difficult to meet production
Need.And normal pressure operation wellhead spillway discharge is larger, the greasy dirt especially sprayed during lower oil tube out of oil pipe is difficult to reclaim,
It is larger to well site ambient influnence around, it is impossible to meet the requirement of new environment Protection Code.
The content of the invention
(1) technical problem to be solved
The present invention provides a kind of injection well operations oil jacket shunting balance jet-preventing tool, in order to overcome present in prior art
Construction cost is high, low construction efficiency one-level is larger to well site ambient influnence around, it is impossible to meet lacking for new environment Protection Code requirement
Fall into.
(2) technical scheme
The present invention provides a kind of injection well operations oil jacket shunting balance jet-preventing tool, including oil jacket current divider and diverting means
Bruising is blocked up,
The oil jacket current divider include top connection, outer adapter sleeve, the first Clip Reed, slide diversion sleeve, fixing pin and under
Joint；
The diverting means bruising blocking package includes sealing shroud, the second Clip Reed, upper ball base, steel ball, lower ball base, diversion sleeve, company
Female connector and nose cone composition；
The top connection is threadedly coupled with outer adapter sleeve；The lower contact and the threaded connection of outer adapter sleeve；
Gingival cyst of mucous gland in the newborn button is provided with the outer adapter sleeve；
Gingival cyst of mucous gland in the newborn button is provided with the slip diversion sleeve；
The slip diversion sleeve is provided with the first Clip Reed, and the slip diversion sleeve is along outer adapter sleeve internal slide, and the
The unidirectional step lock of gingival cyst of mucous gland in the newborn button on one Clip Reed and outer adapter sleeve；
The fixing pin is fixed on slip diversion sleeve and outer adapter sleeve；
Sealing shroud and diversion sleeve threaded connection；
Adapter sleeve and nose cone threaded connection；
It is provided with inside the sealing shroud and diversion sleeve inside upper ball base, the diversion sleeve and adapter sleeve and is provided with lower ball base, institute
State and steel ball is provided with the chamber that upper ball base and lower ball base are surrounded；The steel ball is moved under external force；
The adapter sleeve is made up of elastomeric material；
Described sealing shroud one end provided with projection, it is described it is raised be provided with the second Clip Reed, the diverting means bruising it is stifled by
Pressure is acted on carries out Butt sealing, the gingival cyst of mucous gland in the newborn button of the second Clip Reed and the slip diversion sleeve in oil jacket current divider with oil jacket current divider
Unidirectional step lock.
Preferably, it is provided with O-ring seal between the outer adapter sleeve and slip diversion sleeve.
Preferably, the sealing shroud is provided with O-ring seal.
(3) beneficial effect
The present invention provides a kind of injection well operations oil jacket shunting balance jet-preventing tool, using said structure, passes through before operation
Suppressing makes oil jacket current divider slip diversion sleeve descending, and the fluid course in conducting oil pipe with oil jacket annular space is realized and balances shunting；It is logical
Raising pressure is crossed, blocking up diverting means bruising, lower ball base is descending, and losing liquid in tubing string more than two-way function, spheroid can lead to
Instrument is crossed into oil jacket annular space, and the liquid below spheroid cannot be introduced into oil pipe more than spheroid, at utmost reduction injection
Influence during well normal pressure job execution to surrounding environment, meets the requirement of new environment Protection Code.
Brief description of the drawings
Fig. 1 is oil jacket diversion structure schematic diagram of the present invention；
Fig. 2 is that structural representation is blocked up in diverting means bruising of the present invention；
Fig. 3 is that fitted seal schematic diagram is blocked up in oil field current divider of the present invention and diverting means bruising；
It is descending that Fig. 4 is that the present invention suppresses sliding sleeve, and following oil jacket connection schematic diagram is blocked up in diverting means bruising；
Fig. 5 is that the present invention continues to suppress diverting means bruising descending, the mistake of more than spheroid oil pipe and sleeve pipe of blocking up lower valve base
Circulation road is turned on.
1- top connections, the outer adapter sleeves of 2-, the first Clip Reeds of 3- 1,4- slide diversion sleeve, 5-O types sealing ring, 6- and fixed in figure
Ball under pin, 7- lower contacts, 8- sealing shrouds, the second Clip Reeds of 9- 2,10-O types sealing ring, 11- upper ball bases, 12- steel balls, 13-
Seat, 14- diversion sleeves, 15- adapter sleeves, 16- nose cones.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
The embodiment of the present invention provides a kind of injection well operations oil jacket shunting balance jet-preventing tool, by original production tubing string base
Increase special oil jacket shunting balance jet-preventing tool on plinth, formed under a kind of injection well normal pressure handling situations and arranged in oil pipe outside overflow
Tubing string, the environmental protection operation of oil jacket shunting balance when realizing operation.
Shown in Fig. 1-5, injection well operations oil jacket shunting balance jet-preventing tool is specifically included：Including oil jacket current divider and point
The bruising of stream instrument is blocked up,
The oil jacket current divider includes top connection 1, outer adapter sleeve 2, the first Clip Reed 3, slip diversion sleeve 4, fixing pin 6
With lower contact 7；Wherein, it is provided with O-ring seal 5 between outer adapter sleeve 2 and slip diversion sleeve 4.
The diverting means bruising blocking package include sealing shroud 8, the second Clip Reed 9, upper ball base 11, steel ball 12, lower ball base 13, point
Stream set 14, adapter sleeve 15 and nose cone 16 are constituted；The sealing shroud 8 is provided with O-ring seal 10.
Wherein, the top connection 1 is threadedly coupled with outer adapter sleeve 2；The lower contact 7 and outer adapter sleeve 2 are threadedly coupled；Institute
State and gingival cyst of mucous gland in the newborn button is provided with outer adapter sleeve 2；Gingival cyst of mucous gland in the newborn button is provided with the slip diversion sleeve 4；
The slip diversion sleeve 4 is provided with the first Clip Reed 3, and the slip diversion sleeve 4 is sliding along the outer inside of adapter sleeve 2
It is dynamic, the unidirectional step lock of gingival cyst of mucous gland in the newborn button on the first Clip Reed 3 and outer adapter sleeve 2；
The fixing pin 6 is fixed on slip diversion sleeve 4 and outer adapter sleeve 2；
Sealing shroud 8 and diversion sleeve 14 are threadedly coupled；
Adapter sleeve 15 and nose cone 16 are threadedly coupled；
The inside of sealing shroud 8 and diversion sleeve 14 is provided with upper ball base 11, and the inside of diversion sleeve 14 and adapter sleeve 15 is provided with
Steel ball is provided with lower ball base 13, the chamber that the upper ball base 11 and lower ball base 13 are surrounded；The steel ball can enter under external force
Row movement；The adapter sleeve 15 is made up of elastomeric material；
Described one end of sealing shroud 8 is provided with projection, and described raised provided with the second Clip Reed 9, the diverting means bruising is blocked up
The effect of being stressed carries out Butt sealing, the gingival cyst of mucous gland in the newborn of the second Clip Reed and the slip diversion sleeve in oil jacket current divider with oil jacket current divider
Detain unidirectional step lock.
The oil jacket current divider that injection well operations oil jacket is shunted balance jet-preventing tool when using is connected to first order packer
Upper end, the i.e. top connection of oil jacket current divider are connected with oil pipe lower end, and lower contact is connected with packer top connection, during normal injection and not
The situation of tripping in oil jacket current divider is identical.When needing operation, diverting means bruising is blocked up and is put into by TCH test channel in oil pipe, point
The stifled effect of being stressed of stream instrument bruising and the Butt sealing of oil jacket current divider, diverting means bruising stifled the second Clip Reed 9 and oil
The unidirectional step lock of gingival cyst of mucous gland in the newborn button of the slip diversion sleeve 4 in current divider is covered, is drastically raised with injection pressure, when injection pressure rise
During to 15MPa, it may appear that go up after abrupt pressure reduction, the slip diversion sleeve 4 for now balancing current divider is descending, slides on diversion sleeve 4
The unidirectional step lock of gingival cyst of mucous gland in the newborn button of first Clip Reed 3 and outer adapter sleeve 2 in face, goes downwards to the stifled company of diverting means bruising behind bottom
Contacted at the reducing of female connector 15 with the inner bore chamfering of lower contact 7 of oil jacket current divider, continue to raise with pressure, at the reducing of adapter sleeve 15
Spring detent up is compressed, and as pressure rise 17MPa, abrupt pressure reduction does not go up to 0, illustrates the stifled ball of diverting means bruising
Body 13 promotes lower ball base 14 descending, loses two-way valve action, can now stop injection, and closing well decompression waits operation.During operation,
Liquid can enter oil jacket annular space by the valve in upper lifting pipe post, the tubing string of spheroid more than 13, realize in well mouth oil pipe without overflow.
The embodiment of the present invention realizes stifled and oil jacket current divider the fitted seal of diverting means bruising and follow-up dynamic by fluid power
Make.Promote the descending fluid course opened in oil pipe with oil jacket annular space of oil jacket diversion sleeve of oil jacket current divider；Under oil jacket diversion sleeve
With being contacted at the lower contact inner bore chamfering of oil jacket current divider at the adapter sleeve reducing that row is blocked up to diverting means bruising behind bottom, trigger
The stifled descending action of lower ball base of diverting means bruising.
Claims (3)
1. one kind injection well operations oil jacket shunting balance jet-preventing tool, it is characterised in that including oil jacket current divider and diverting means
Bruising block up, the oil jacket current divider include top connection, outer adapter sleeve, the first Clip Reed, slide diversion sleeve, fixing pin and under connect
Head；
The diverting means bruising blocking package includes sealing shroud, the second Clip Reed, upper ball base, steel ball, lower ball base, diversion sleeve, adapter sleeve
With nose cone composition；
The top connection is threadedly coupled with outer adapter sleeve；The lower contact and the threaded connection of outer adapter sleeve；
Gingival cyst of mucous gland in the newborn button is provided with the outer adapter sleeve；
Gingival cyst of mucous gland in the newborn button is provided with the slip diversion sleeve；
The slip diversion sleeve is provided with the first Clip Reed, and the slip diversion sleeve blocks along outer adapter sleeve internal slide, first
The unidirectional step lock of gingival cyst of mucous gland in the newborn button on reed and outer adapter sleeve；
The fixing pin is fixed on slip diversion sleeve and outer adapter sleeve；
Sealing shroud and diversion sleeve threaded connection；
Adapter sleeve and nose cone threaded connection；
Be provided with inside the sealing shroud and diversion sleeve inside upper ball base, the diversion sleeve and adapter sleeve and be provided with lower ball base, it is described on
Steel ball is provided with the chamber that ball seat and lower ball base are surrounded；The steel ball is moved under external force；
The adapter sleeve is made up of elastomeric material；
Described sealing shroud one end is provided with projection, and described raised provided with the second Clip Reed, the diverting means bruising is stifled to be stressed
Effect carries out Butt sealing with oil jacket current divider, and the gingival cyst of mucous gland in the newborn button of the second Clip Reed and the slip diversion sleeve in oil jacket current divider is unidirectional
Step lock.
2. injection well operations oil jacket shunting balance jet-preventing tool according to claim 1, it is characterised in that the outer connection
O-ring seal is provided between set and slip diversion sleeve.
3. injection well operations oil jacket shunting balance jet-preventing tool according to claim 1, it is characterised in that the sealing shroud
It is provided with O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510550051.6A CN105178925B (en) | 2015-09-01 | 2015-09-01 | Inject well operations oil jacket shunting balance jet-preventing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510550051.6A CN105178925B (en) | 2015-09-01 | 2015-09-01 | Inject well operations oil jacket shunting balance jet-preventing tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105178925A CN105178925A (en) | 2015-12-23 |
| CN105178925B true CN105178925B (en) | 2017-10-13 |
Family
ID=54901280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510550051.6A Active CN105178925B (en) | 2015-09-01 | 2015-09-01 | Inject well operations oil jacket shunting balance jet-preventing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105178925B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458124B (en) * | 2018-06-28 | 2019-11-12 | 中国海洋石油集团有限公司 | A kind of sealing structure of downhole flow control valve |
| CN111878036A (en) * | 2020-08-05 | 2020-11-03 | 中石化石油工程技术服务有限公司 | Multifunctional fluid one-way injection device and use method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3827488A (en) * | 1973-05-07 | 1974-08-06 | Rucker Co | Casing hanger assembly and operating tools therefor |
| US5499687A (en) * | 1987-05-27 | 1996-03-19 | Lee; Paul B. | Downhole valve for oil/gas well |
| CN203145912U (en) * | 2013-03-25 | 2013-08-21 | 中国石油化工股份有限公司 | Bypassing controller |
| CN103306634A (en) * | 2012-03-09 | 2013-09-18 | 中国石油化工股份有限公司 | Sliding-sleeve-type downhole blow-out preventer and application thereof |
| CN203961924U (en) * | 2014-07-07 | 2014-11-26 | 中国石油天然气股份有限公司 | A kind of thick oil horizontal well divides to take out and mixes out oil extraction process tubular column |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130025877A1 (en) * | 2010-06-29 | 2013-01-31 | Baker Hughes Incorporated | Sliding Sleeve Valve with Feature to Block Flow Through the Tool |
-
2015
- 2015-09-01 CN CN201510550051.6A patent/CN105178925B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3827488A (en) * | 1973-05-07 | 1974-08-06 | Rucker Co | Casing hanger assembly and operating tools therefor |
| US5499687A (en) * | 1987-05-27 | 1996-03-19 | Lee; Paul B. | Downhole valve for oil/gas well |
| CN103306634A (en) * | 2012-03-09 | 2013-09-18 | 中国石油化工股份有限公司 | Sliding-sleeve-type downhole blow-out preventer and application thereof |
| CN203145912U (en) * | 2013-03-25 | 2013-08-21 | 中国石油化工股份有限公司 | Bypassing controller |
| CN203961924U (en) * | 2014-07-07 | 2014-11-26 | 中国石油天然气股份有限公司 | A kind of thick oil horizontal well divides to take out and mixes out oil extraction process tubular column |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105178925A (en) | 2015-12-23 |
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